elt vs gunk

elt

verb
  • To begrime; soil with mud; daub; smear. 

  • To knead dough; stir dough previously kneaded to a proper consistency before baking. 

  • To meddle; interfere. 

  • To work persistently or laboriously; be occupied in working (e.g. in the earth, rake among dirt, etc.). 

  • To become soft; become moist, as damp earth. 

  • To injure (anything) by rough handling; handle roughly. 

gunk

verb
  • To soil or make dirty 

noun
  • A member of the gunk subculture. 

  • Dirt or grime; any vague, messy, or unknown substance. 

  • A subculture of 21st century American males, combining elements of modern gothic culture with punk rock. 

How often have the words elt and gunk occurred in a corpus of books? (source: Google Ngram Viewer )